Originally planned for a night under the stars, Red Bull Soundclash –featuring Ludacris and Neon Trees — sought shelter from Tropical Storm Lee inside the Georgia World Congress Center in downtown Atlanta this past weekend.

More than 1,800 Atlantans and avid music fans endured Lee’s tornado warnings and torrential downpour to watch Ludacris take on Neon Trees in a cutting-edge musical conversation.

“I hope the crowd leaves here tonight feeling like this is the best concert they’ve ever been to,” Ludacris told the crowd. “You’re getting both artists at the same time and it shows how many fans just appreciate music — period.